Gustav Giemsa (1867–1948)
Born 1867 CE, died 1948 CE.
Berthold Carl Gustav Giemsa (German: [ˈɡiːmzaː]; November 20, 1867 – June 10, 1948) was a German chemist and bacteriologist who was a native of Medar-Blechhammer (now part of the city Kędzierzyn-Koźle). He is best known for creating a dye solution commonly known as "Giemsa stain" which is used in staining for use in the histopathological diagnosis of malaria and parasites such as Plasmodium, Trypanosoma, and Chlamydia.
Text from the Wikipedia article Gustav_Giemsa, licensed CC BY-SA 4.0.